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Operating System - Tru64 Unix
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Daylight Savings Time and DEC Unix 4.0D

Kenneth Wayne Davis
Occasional Visitor

Daylight Savings Time and DEC Unix 4.0D

I have three DEC 3000 systems running DEC Unix 4.0D. Is there a patch to accomodate the upcoming daylight savings time switch on an OS this old or will this require a manual resetting of the time. We are located in Virginia. Any assistance will be greatly appreciated.
3 REPLIES
Ivan Ferreira
Honored Contributor

Re: Daylight Savings Time and DEC Unix 4.0D

If you don't have a patch (I think that you wont get it) you don need to manually change the time but you need to manually create your time zone DST rules. See:

http://tldp.org/HOWTO/TimePrecision-HOWTO/
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
Martin Moore
HPE Pro

Re: Daylight Savings Time and DEC Unix 4.0D

Or better yet, use the manual update workaround procedures that were written specifically for unsupported Tru64 UNIX versions:

http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000085095900 for Tru64 UNIX version 4.

http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000085112054 for Tru64 UNIX version 5.

Regards,
Martin Moore
I work for HP
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Kenneth W. Davis
Occasional Contributor

Re: Daylight Savings Time and DEC Unix 4.0D

Thanks very much for the timely response and info. I updated the required source file with the new DST rules, recompiled, and all went well. Again, my thanks!